Note 15 Revenue and Gross Profit by Segment (Details) $ in Thousands		12 Months Ended
		Oct. 02, 2021 USD ($)	Oct. 03, 2020 USD ($)	Sep. 28, 2019 USD ($)
Segment Information [Line Items]
Net sales		$ 6,756,643	$ 6,960,370	$ 8,233,859
Gross profit		551,805	525,707	591,938
Depreciation and amortization		$ 109,656	114,218	116,949
Revenue percentage generated by reportable segment		80.00%
Property, Plant and Equipment, Additions		$ 81,854	51,075	112,408
IMS
Segment Information [Line Items]
Number of reportable segments		1
Operating segments
Segment Information [Line Items]
Gross profit		$ 568,587	538,482	600,389
Depreciation and amortization		104,846	107,887	107,629
Property, Plant and Equipment, Additions		78,511	47,848	108,572
Operating segments | IMS
Segment Information [Line Items]
Net sales		5,485,612	5,733,180	6,907,129
Gross profit		391,339	381,638	444,168
Depreciation and amortization		77,076	81,169	81,997
Property, Plant and Equipment, Additions		44,672	23,933	79,943
Operating segments | CPS
Segment Information [Line Items]
Net sales		1,397,742	1,365,712	1,555,117
Gross profit		177,248	156,844	156,221
Depreciation and amortization		27,770	26,718	25,632
Property, Plant and Equipment, Additions		33,839	23,915	28,629
Segment reconciling items
Segment Information [Line Items]
Gross profit	[1]	(16,782)	(12,775)	(8,451)
Unallocated corporate items
Segment Information [Line Items]
Depreciation and amortization	[2]	4,810	6,331	9,320
Property, Plant and Equipment, Additions	[2]	3,343	3,227	3,836
Intersegment eliminations
Segment Information [Line Items]
Net sales		$ (126,711)	$ (138,522)	$ (228,387)

[1] For purposes of evaluating segment performance, management excludes certain items from its measures of gross profit. These items consist of stock-based compensation expense, amortization of intangible assets, charges or credits resulting from distressed customers and litigation settlements.

[2] Primarily related to selling, general and administration functions.